To simplify drag-and-drop handling, the LCL provides "automatic" mode. It doesn't mean, that LCL does the whole drag-and-drop for you, but it will handle low-level drag object managing (which is not covered in this article). Example The example covers automatic drag-and-drop feature be...
1 .NET 2.0 C# Treeview Drag/Drop within TreeNodes 0 Drag n Drop in .net Treeview 6 Drag-Drop in treeview, insert between nodes 7 VirtualTreeview drag and drop to arrange nodes in a list 2 Virtualtreeview dragNdrop 1 Treeview drag and drop without destination node 0 (Delphi...
So, here is Drag and Drop example for RichEdit I use in my app: procedure TForm1.AcceptFiles( var msg : TMessage ); // or TWMDROPFILES const cnMaxFileNameLen = 255; var i, nCount : integer; acFileName : array [0..cnMaxFileNameLen] of char; begin // find out how many f...
DragCursor:当控件被拖动时,指示代表鼠标指针的图片; DragKind:Specifies whether the control is being dragged normally orfor docking. DragMode:Determines how the control initiates drag-and-drop ordrag-and-dock operations. DropdownMenu:识别一个与工具按钮有关的弹出菜单; Enabled:控制控件是否响应鼠标、键盘...
一、与DragDrop操作相关的属性、事件、函数 VCL的DragDrop功能是在TControl类中现的,因此所有从TControl类派生出来的控件类者继承了这些属性、事件和函数,包括: 属性:DragCursor: Drag时的鼠标类型:(TCursor); DragKind: Drag的类型:(dkDrag, dkDock); ...
procedure DragDrop(Source: TObject; X, Y: Integer); override; procedure NotifyClients(ACommand :String; AID :Integer); function AddChildUID(Parent: TTreeNode; const S: string; AUid :Integer): TTreeNode; function AddUID(Sibling: TTreeNode; const S: string; AUid :Integer): TTreeNode;...
DragCursor:当控件被拖动时鼠标指针的形状;DranKind:指定控件是被正常拖动还是停靠;DragMode:Determines how the control initiates drag-and-drop or drag-and-dock operations.DrawingStyle:存储风格类型;EdgeBorders:决定工具条的那一边有边界;EdgeInner:决定工具条内部边缘的边框风格;EdgeOuter:决定工具条外部边缘的...
https://github.com/landrix/The-Drag-and-Drop-Component-Suite-for-Delphi Description The Drag and Drop Component Suite is a freeware VCL component library that enables your Delphi and C++Builder applications to support COM based drag and drop and integrate with the Windows clipboard. The drag and...
class to hide a lot of the mess. Here's a small class that can be created and destroyed within theWM_DROPFILESmessage handler. The class hides away a lot of the code, although we must still handleWM_DROPFILESourselves. We must also notify Windows of our intention to accept drag drop. ...
Click and drag on the form to draw a tall and wide rectangle. Then release the mouse Notice that the new control keeps a constant shape To add another form, on the main menu, click File -> New -> Form - Delphi While Form2 has focus, in the Standard section of the Tool Palette, ...