In This Topic ▼

ShowDialog Method

Summary

Displays the specified property's dialog.

Syntax

C++/CLI

public void ShowDialog( 
   ProcessorDlg Dialog, 
   IWin32Window hWnd 
)

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

Parameters

Dialog
A ProcessorDlg 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.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
 
public bool _result = false; 
public PlayCtrlForm _form = new PlayCtrlForm(); 
 
public void HasDialogExample() 
{ 
   // reference the play control 
   PlayCtrl playctrl = _form.PlayCtrl; 
 
   // EFX dizzy video processor 
   Processor processor = playctrl.VideoProcessors.EFXDizzy; 
   string processorName = processor.Name; 
   string processorFriendlyName = processor.FriendlyName; 
 
   // input file 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_ShortSource.avi"); 
 
   try 
   { 
      // set form title to friendly name 
      _form.Text = processorFriendlyName; 
 
      // turn off auto start 
      playctrl.AutoStart = false; 
 
      // set the source file 
      playctrl.SourceFile = inFile; 
 
      // add a video processor using unique name 
      int selectedProcessorIndex = playctrl.VideoProcessors.IndexOf(processorName); 
      Processor selectedProcessor = playctrl.VideoProcessors[selectedProcessorIndex]; 
      playctrl.SelectedVideoProcessors.Add(selectedProcessor); 
 
      // The HasDialog method tells us that the object 
      // can display the desired dialog. 
      // check to see if the processor dialog can be displayed 
      if (playctrl.SelectedVideoProcessors.EFXDizzy.HasDialog(ProcessorDlg.Properties)) 
      { 
         // now show it to change some settings 
         playctrl.SelectedVideoProcessors.EFXDizzy.ShowDialog(ProcessorDlg.Properties, _form); 
         _result = true; 
      } 
 
      // start the playback 
      playctrl.Run(); 
 
      // we'll loop on the state and pump messages for this example. 
      // but you should not need to if running from a Windows Forms application. 
      while (playctrl.State == PlayState.Running) 
         Application.DoEvents(); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS23\Media"; 
}

Requirements

Target Platforms

Reference

Processor Class

Processor Members

Download our FREE evaluation

Help Version 23.0.2024.2.29

Leadtools.Multimedia Assembly

Introduction

Getting Started

Namespaces

Leadtools.Multimedia Namespace

Leadtools.Multimedia.Common Namespace

Assemblies