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ShowDialog Method

Summary

Displays the specified property's dialog.

Syntax

C++/CLI

public void ShowDialog( 
   TargetFormatDlg Dialog, 
   IWin32Window hWnd 
)

public: 
void ShowDialog(  
   TargetFormatDlg Dialog, 
   IWin32Window^ hWnd 
)

Parameters

Dialog
A TargetFormatDlg enumeration value that specifies which dialog to show.

hWnd
Value that specifies the dialog owner's window handle.

Remarks

Displays the specified property's dialog. If the method fails, an error is raised. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void HasDialogExample() 
{ 
   // reference the capture control 
   CaptureCtrl capturectrl = _form.CaptureCtrl; 
 
   try 
   { 
      // set a video device first, you should use your video device name here 
      if (capturectrl.VideoDevices["Analog"] == null) 
         throw new Exception("No Analog audio device available"); 
 
      capturectrl.VideoDevices["Analog"].Selected = true; 
 
      // select the WMV target format 
      TargetFormat tf = capturectrl.TargetFormats[TargetFormatType.WMV]; 
      tf.Selected = true; 
 
      // The HasDialog method tells us that the control 
      // can display the desired settings dialog. 
      // check to see if the Profile dialog is available 
      if (tf.HasDialog(TargetFormatDlg.Profile)) 
      { 
         // show the dialog 
         tf.ShowDialog(TargetFormatDlg.Profile, _form); 
 
         // set the result 
         _result = true; 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
}

Requirements

Target Platforms

Reference

TargetFormat Class

TargetFormat Members

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Help Version 22.0.2022.12.7

Leadtools.MediaFoundation Assembly

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Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

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