CommonDialog::OwnerWndProc Method (IntPtr, Int32, IntPtr, IntPtr)
Defines the owner window procedure that is overridden to add specific functionality to a common dialog box.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
protected: [SecurityPermissionAttribute(SecurityAction::LinkDemand, Flags = SecurityPermissionFlag::UnmanagedCode)] [SecurityPermissionAttribute(SecurityAction::InheritanceDemand, Flags = SecurityPermissionFlag::UnmanagedCode)] virtual IntPtr OwnerWndProc( IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam )
Parameters
- hWnd
-
Type:
System::IntPtr
The window handle of the message to send.
- msg
-
Type:
System::Int32
The Win32 message to send.
- wparam
-
Type:
System::IntPtr
The wparam to send with the message.
- lparam
-
Type:
System::IntPtr
The lparam to send with the message.
Return Value
Type: System::IntPtrThe result of the message processing, which is dependent on the message sent.
Control is transferred here when messages are sent to the owner window of the common dialog box. Inheriting classes can override this method to add specific functionality to a common dialog box.
for inheriting classes to call unmanaged code. Associated enumeration: SecurityPermissionFlag::UnmanagedCode
for the immediate caller to call unmanaged code. Associated enumeration: SecurityPermissionFlag::UnmanagedCode
Available since 1.1