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HasDialog Method

Summary

Indicates whether the specified property's dialog is available.

Syntax

C++/CLI

public bool HasDialog( 
   TargetFormatDlg Dialog 
)

public: 
bool HasDialog(  
   TargetFormatDlg Dialog 
)

Parameters

Dialog
A TargetFormatDlg value that specifies which dialog's availability is being queried.

Return Value

true if the specified property's dialog is available; otherwise, it is false

Remarks

Indicates whether the specified property's dialog is available.

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["USB"] == null) 
         throw new Exception("No USB video device available"); 
 
      capturectrl.VideoDevices["USB"].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 23.0.2024.2.29

Leadtools.MediaFoundation Assembly

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Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

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