FileDialog.HookProc(IntPtr, Int32, IntPtr, IntPtr) Method
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Defines the common file dialog hook procedure that is overridden to add common functionality to a file dialog.
protected:
override IntPtr HookProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam);C#
[System.Security.SecurityCritical]
protected override IntPtr HookProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam);C#
protected override IntPtr HookProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam);[<System.Security.SecurityCritical>]
override this.HookProc : nativeint * int * nativeint * nativeint -> nativeintoverride this.HookProc : nativeint * int * nativeint * nativeint -> nativeintProtected Overrides Function HookProc (hwnd As IntPtr, msg As Integer, wParam As IntPtr, lParam As IntPtr) As IntPtr- hwnd
-
IntPtr
nativeint
Window handle for the Win32 dialog.
- msg
- Int32
Message to be processed by the Win32 dialog.
- wParam
-
IntPtr
nativeint
Parameters for dialog actions.
- lParam
-
IntPtr
nativeint
Parameters for dialog actions.
IntPtr
nativeint
Returns Zero to indicate success; otherwise, a non-zero value is returned to indicate failure.
- Attributes
| Product | Versions |
|---|---|
| .NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7 |
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