Altaxo user manual and class reference
Altaxo class reference
Altaxo Namespaces
Altaxo.Gui Namespaces
Altaxo.Gui
AltaxoKeyboardKey Enumeration
AltaxoKeyboardModifierKeys Enumeration
AltaxoMouseButtons Enumeration
AltaxoMouseEventArgs Class
AngleEnvironment Class
CanStartDragDelegate Delegate
ControllerAndSetNullMethod Structure
ControllerBase Class
DragCancelledDelegate Delegate
DragEndedDelegate Delegate
DropCanAcceptDataDelegate Delegate
DropCanAcceptDataReturnData Structure
DropDelegate Delegate
DropReturnData Structure
ExpectedTypeOfViewAttribute Class
FolderChoiceOptions Class
FontSizeEnvironment Class
GuiAngleUnits Class
GuiDensityUnits Class
GuiLengthUnits Class
GuiRelationUnits Class
GuiTimeUnits Class
IApplyController Interface
IClassForClassAttribute Interface
IClipboardGetDataObject Interface
IClipboardHandler Interface
IClipboardSetDataObject Interface
IDataContextAwareView Interface
IMVCAController Interface
IMVCANController Interface
IMVCANDController Interface
IMVCController Interface
IMVCSupportsApplyCallback Interface
IRefreshable Interface
IViewRequiresSpecialShellWindow Interface
LanguageChangeWeakEventManager Class
LineCapSizeEnvironment Class
LineThicknessEnvironment Class
MiterLimitEnvironment Class
MVCANControllerEditCopyOfDocBase<TModel, TView> Class
MVCANControllerEditImmutableDocBase<TModel, TView> Class
MVCANControllerEditOriginalDocBase<TModel, TView> Class
MVCANControllerEditOriginalDocInstanceCanChangeBase<TModel, TView> Class
MVCANDControllerEditCopyOfDocBase<TModel, TView> Class
MVCANDControllerEditImmutableDocBase<TModel, TView> Class
MVCANDControllerEditOriginalDocBase<TModel, TView> Class
MVCANDControllerEditOriginalDocInstanceCanChangeBase<TModel, TView> Class
NotifyChangedValue<T> Class
OpenFileOptions Class
PaperMarginEnvironment Class
PositionEnvironment Class
QuantityWithUnitGuiEnvironment Class
RelationEnvironment Class
RelayCommand Class
RelayCommand<T> Class
SaveFileOptions Class
SimpleCheckableCommand Class
SimpleCommand Class
SizeEnvironment Class
SpeedEnvironment Class
StartDragData Structure
StartDragDelegate Delegate
TimeEnvironment Class
UseDocument Enumeration
UserControlForControllerAttribute Class
UserControllerForObjectAttribute Class
UserControlPriorityAttribute Class
UserInteractionLevel Enumeration
ValidatingEventHandler<T> Delegate
ValidatingStringEventHandler Delegate
ValidationEventArgs<T> Class
Click or drag to resize

CanStartDragDelegate Delegate

Is called at the start of a drag/drop operation on the drag source side. Determines whether or not a drag operation can start.

Namespace: Altaxo.Gui
Assembly: AltaxoBase (in AltaxoBase.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public delegate bool CanStartDragDelegate(
	IEnumerable items
)

Parameters

items  IEnumerable
The items that are included in this drag operation.

Return Value

Boolean
True if the drag operation can start and proceed, otherwise false.
See Also