HELP - VB TIPS. ANIMATE AN IMAGE BOX Insert a module. In this module, create a global variable: Global x
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1 HELP - VB TIPS Load an image to an image box from a certain folder If you use this method, won t work on N:\ To load an image to a image control Image1.Picture = LoadPicture("H:\MyVBfolder\stop.gif") Load an image to an image box when the image is in the same folder as the.exe To load an image to a image control Image1.Picture = LoadPicture("stop.gif") ANIMATE AN IMAGE BOX Insert a module. In this module, create a global variable: Global x In your form, code a timer. In this example I have 6 images in the same folder as my vb project and forms. They are named them with a number (example guyrunning01.gif, guyrunning02.gif), so I could access each image with the following code: Private Sub Timer1_Timer() x = x + 1 If x = 6 Then x = 1 Image1.Picture = LoadPicture("guyrunning0" & x & ".gif") 'What is happening? x starts at so this code will load image guyrunning01. When the timer runs again based on the interval, x = 1, so if x = x + 1, x now equal 2 and loads image guyrunning02.gif. Get it? ANIMATING LINES ON THE ROAD Code to move lines to make car appear as it is moving. There are two images and one starts at a top position of and one starts at a top position of -480 Private Sub timelines_timer() img1.top = img1.top img2.top = img2.top If img2.top > 6840 Then img2.top = 3840
2 If img1.top > -480 Then img1.top = COLLISION CODE Think about where you would want to put this code. For an object named red and object named blue. If red.left > (blue.left - red.width) And red.left < (blue.left + blue.width) And _ red.top > (blue.top - red.height) And red.top < (blue.top + blue.height) Then lbl.caption = "collision" Else lbl.caption = "no collision" CLICK ON A BUTTON AND THE PICTURE ON BUTTON WILL CHANGE Private Sub Command10_Click() 'Image changes based on the number 0 or 1 Text6.Text = Val(Text6.Text + 1) If Text6.Text = 2 Then Text6.Text = 0 If Text6.Text = 1 Then Command10.Picture = LoadPicture("H:\MyDocuments\yield.gif") Else Command10.Picture = LoadPicture("H:\MyDocuments\stop.gif")
3 4 IMAGES APPEAR RANDOMLY, WITH ONLY ONE SHOWING AT A TIME Private Sub Timer1_Timer() Dim a As Integer Randomize a = (Rnd * 4) + 1 Label1.Caption = a If a = 1 Then Image1.Visible = True Image2.Visible = False Image3.Visible = False Image4.Visible = False If a = 2 Then Image2.Visible = True Image1.Visible = False Image3.Visible = False Image4.Visible = False If a = 3 Then Image3.Visible = True Image1.Visible = False Image2.Visible = False Image4.Visible = False If a = 4 Then Image4.Visible = True Image1.Visible = False Image2.Visible = False Image3.Visible = False
4 MOVE OBJECT WITH ARROW KEYS. OBJECT IS NAMED SHIP Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer) 'this code moves an object up and down If KeyCode = 40 Then Let ship.top = ship.top If KeyCode = 38 Then Let ship.top = ship.top Private Sub Form_KeyUp(KeyCode As Integer, Shift As Integer) 'this code moves an object left and right If KeyCode = 39 Then Let ship.left = ship.left If KeyCode = 37 Then Let ship.left = ship.left - 200
5 ADD SOUND add a MODULE to your project and name it modsound Add the following code under the general declarations in modsound Option Explicit Public Declare Function sndplaysound Lib "winmm.dll" Alias "sndplaysounda" _ (ByVal lpszsoundname As String, ByVal uflags As Long) As Long Public Const SND_SYNC = &H0 Public Const SND_ASYNC = &H1 Public Const SND_NODEFAULT = &H2 Public Const SND_LOOP = &H8 Public Const SND_NOSTOP = &H10 Public Sub PlaySound(strSound As String) Dim wflags% wflags% = SND_ASYNC Or SND_NODEFAULT sndplaysound strsound, wflags% add the code below to THE FORM you want the sound on make sure your sound file (.wav) is in the same folder as your as project and form Private Sub Command1_Click() PlaySound App.Path & "\FileName.wav" STOP SOUND from Mr. Maki retval& = sndplaysound(vbnullstring, 0) Insert were an action takes place and sound needs to be ended
6 TO CLEAR ALL LABELS IN A FORM, YOU CAN USE THIS CODE 'sets all label.caption properties to "" Dim lbl As Control For Each lbl In frmwhatever If TypeOf lbl Is Label Then lbl.caption = "" Next TO CLEAR ALL TEXTBOXES IN A FORM, YOU CAN USE THIS CODE Dim txt As Control 'sets all textbox.text properties to "" For Each txt In frmwhatever If TypeOf txt Is TextBox Then txt.text = "" Next
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