To reproduce:
1. Add a form with a RadRibbonBar and add some tabs
2. Create a second form that inherits the first one
3. Open the second form at design time and add a few items to the application menu.
Expected: either the applied changes in the derived form should be serialized properly or the ribbon in the derived form should be locked for such changed.
Actual: even though the menu items are added in the designer and you can see them, after restarting the designer, they are not shown in the application menu anymore. You can see that they are still available in the Designer.cs but they are not added to the application menu. The same behavior is observed if you add tabs and groups with different elements.
Searching for a workaround for a previously reported bug, in walked into a little thing:
private void SelectAllCells()
{
GridViewRowInfoEnumerator rowInfoEnumerator = new GridViewRowInfoEnumerator((IHierarchicalRow) this.GridViewElement.Template);
List<GridViewCellInfo> gridViewCellInfoList = new List<GridViewCellInfo>();
this.MasterTemplate.SelectedCells.BeginUpdate();
this.MasterTemplate.SelectedCells.Clear();
while (rowInfoEnumerator.MoveNext())
{
GridViewRowInfo current = rowInfoEnumerator.Current;
if (current.CanBeSelected)
{
foreach (GridViewCellInfo cell in current.Cells)
this.MasterTemplate.SelectedCells.Add(cell);
}
}
this.MasterTemplate.SelectedCells.EndUpdate(true);
}
The ChangeFontStyle method does not work when setting Underline:
radRichTextEditor1.ChangeFontStyle( FontStyle.Underline);
Workaround:
radRichTextEditor1.ToggleUnderline();
Run the attached sample project on a monitor with 100% DPI scaling. Then, try moving the form to the second monitor with 150% DPI scaling. You will notice that the following error occurs:
Workaround: instead of using a RadTextBoxControlElement in the custom cell, feel free to use a RadTextBoxElement. However, please have in mind that RadTextBoxElement hosts the MS TextBox and using controls in grid cells may slow down the scrolling and will cause visual glitches as they do not support clipping.
1. Set ThemeResolutionService.AllowAnimations = false;
2. Run the attached project and set a filter via the GridFilterButton popup
3. Click "Clear filter" option in the GridFilterButton popup
You will see that the GirdFilterButton visual indication is of an applied filter. However, there is no applied filter.
ArgumentOutOfRangeException is thrown when the control is auto-sized (AutoSize = true) and we try to select all (MultiSelect = true with CellSelect) rows by clicking and moving the mouse.
As a workaround, we could set the MaximumSize property of the RadGridView.
this.radGridView1.MaximumSize = new Size(1000,1000);
If the feed is paused and I re-size or move the app on my desktop, the camera image also goes blank.
1. Run the project and press Space to pause the camera.
2. Resize the form. You will notice that the paused image gets blank.
Workaround:
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
this.radWebCam1.Resize += RadWebCam1_Resize;
}
Timer t = new Timer();
bool isPaused = false;
private void RadWebCam1_Resize(object sender, EventArgs e)
{
t.Stop();
if (isPaused)
{
t = new Timer();
t.Interval = 100;
t.Tick += T_Tick;
this.radWebCam1.Start();
t.Start();
}
}
private void T_Tick(object sender, EventArgs e)
{
this.radWebCam1.Pause();
isPaused = true;
t.Stop();
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == Keys.Space)
{
this.radWebCam1.Pause();
isPaused = true;
}
return base.ProcessCmdKey(ref msg, keyData);
}
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Follow the steps which are illustrated in the gif file:
1. Create new .NetFrameWork Telerik WinForm project
2. Set the MinSize of the RadForm1 to 300, 300
3. Set the MaxDize of the RadForm1 to 600, 600
4. Save the Form
5. Close the form
6. Build the project
7. Add new Telerik form, inherit from RadFrom1 via the Add New Item form and picking Inherited Form (Windows Forms). When prompted, pick RadForm1.
8. Resize the new form
9. Save and Close the form.
10. Open RadForm1
11. Reset the Max Size
12. Save and Close RadForm1
13. Rebuild the project
14. Open the inherited form
Workaround: instead of adding an Inherited Form, add a Telerik RadForm. Then, change it to inherit from RadForm1:
Please run the attached sample project and follow the steps illustrated in the gif file. You will notice the following behavior:
If you select multiple items/nodes and then right click on the last selected item/node, the context menu comes up as expected and multiple selection is kept. But if you right click on any other item/node that is selected,the selected nodes become unselected and only the node you are over becomes selected.
The multiple selection is kept in Windows Explorer and VS Solution explorer wne you right click over an already selected node.
Workaround:
public RadForm1()
{
InitializeComponent();
this.radTreeView1.MultiSelect = true;
this.radTreeView1.AllowDefaultContextMenu = true;
}
class CustomTreeViewElement : RadTreeViewElement
{
protected override Type ThemeEffectiveType
{
get
{
return typeof(RadTreeViewElement);
}
}
protected override bool ProcessMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
RadContextMenu menu = this.ContextMenu;
RadTreeNode node = this.GetNodeAt(e.Location);
if (node!=null)
{
node.Selected = true;
}
if (node != null && node.ContextMenu != null)
{
menu = node.ContextMenu;
}
if (menu == null && this.AllowDefaultContextMenu)
{
menu = this.InitializeDefaultContextMenu(node);
}
if (menu != null)
{
RadControl parentControl = (this.ElementTree.Control as RadControl);
if (parentControl != null)
{
menu.ThemeName = parentControl.ThemeName;
menu.DropDown.RightToLeft = parentControl.RightToLeft;
}
TreeViewContextMenuOpeningEventArgs args = new TreeViewContextMenuOpeningEventArgs(node, menu, this);
OnContextMenuOpening(args);
if (!args.Cancel)
{
menu.Show(this.ElementTree.Control, e.Location);
return true;
};
}
}
return base.ProcessMouseDown(e);
}
}
class CustomTreeView : RadTreeView
{
protected override RadTreeViewElement CreateTreeViewElement()
{
return new CustomTreeViewElement();
}
public override string ThemeClassName
{
get
{
return typeof(RadTreeView).FullName;
}
}
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
case 0x7b:
return;
}
base.WndProc(ref m);
}
}
Please run the sample project on 100% and 150% DPI scaling. You will notice that with 100% the shown form is centered to its parent, but with 150% it is shifted:
Add a RadTimePicker to your project and select new time from the popup.
Expected: The clock element inside the popup should be updated accordingly to the newly set value.
Actual: The clock element remains unchanged. It is necessary to close and open the popup again.
Workaround:
private void RadTimePicker1_ValueChanged(object sender, EventArgs e)
{
this.radTimePicker1.TimePickerElement.PopupContentElement.ClockElement.Value = this.radTimePicker1.Value;
}
Use the following code snippet and refer to the attached gif file:
private RadDropDownList Drop { get; set; }
public RadForm1()
{
InitializeComponent();
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
this.Drop = new RadDropDownList();
this.Drop.AutoSize = true;
this.Drop.DropDownStyle = Telerik.WinControls.RadDropDownStyle.DropDownList; //So users can't write.
this.Drop.Font = new Font("Segoe UI", 11.25f, FontStyle.Regular, GraphicsUnit.Point);
RadListDataItem item = new RadListDataItem();
item.Value = string.Empty;
item.Text = string.Empty;
this.Drop.Items.Add(item);
RadListDataItem item2 = new RadListDataItem();
item2.Value = "Hello";
item2.Text = "Hello";
this.Drop.Items.Add(item2);
this.Controls.Add(this.Drop);
this.Drop.SizeChanged += Drop_SizeChanged;
}
private void Drop_SizeChanged(object sender, EventArgs e)
{
this.Text = this.Drop.Size.ToString();
}
}
ThemeResolutionService.ApplicationThemeName = "Office2019Dark";
this.radDropDownList1.EnableAlternatingItemColor = true;
