C++ control textBox of Form1 and Form2
-
Hi.
I send a "TEXT" from Form1 to Form2.
Sometimes it's good, sometimes it's not good.
When you send "TEXT" from Form1 to Form2, TEXT disappears from Form2.show.Hide Expand Copy Code
Form1.hprivate Burron1()
{
Form2::Form fm;
fm.viewText();
}
Form2.h
namespace Form {
public class Form
{
Form2()
{
void viewText();
}
}
}void viewText()
{
textBox1->Text="TEXT";
}Only when Text's Form, no problem. I cann't see other , only did mySql. This disappeared the "TEXT". textBox->Text is a Empty. I sent "TEXT" can't look for any.
I want to know how to make the appearing thing.
Say me , please.
Thank you. -
Hi.
I send a "TEXT" from Form1 to Form2.
Sometimes it's good, sometimes it's not good.
When you send "TEXT" from Form1 to Form2, TEXT disappears from Form2.show.Hide Expand Copy Code
Form1.hprivate Burron1()
{
Form2::Form fm;
fm.viewText();
}
Form2.h
namespace Form {
public class Form
{
Form2()
{
void viewText();
}
}
}void viewText()
{
textBox1->Text="TEXT";
}Only when Text's Form, no problem. I cann't see other , only did mySql. This disappeared the "TEXT". textBox->Text is a Empty. I sent "TEXT" can't look for any.
I want to know how to make the appearing thing.
Say me , please.
Thank you.private Burron1()
{
Form2::Form fm;
fm.viewText();
}You create a local instance of
Form2
in the above method, and then callviewText
. But as soon as you return from that method, the variablefm
goes out of scope and the form is destroyed. You need to create the form outside this method so it remains active until you decide to destroy it. -
Hi.
I send a "TEXT" from Form1 to Form2.
Sometimes it's good, sometimes it's not good.
When you send "TEXT" from Form1 to Form2, TEXT disappears from Form2.show.Hide Expand Copy Code
Form1.hprivate Burron1()
{
Form2::Form fm;
fm.viewText();
}
Form2.h
namespace Form {
public class Form
{
Form2()
{
void viewText();
}
}
}void viewText()
{
textBox1->Text="TEXT";
}Only when Text's Form, no problem. I cann't see other , only did mySql. This disappeared the "TEXT". textBox->Text is a Empty. I sent "TEXT" can't look for any.
I want to know how to make the appearing thing.
Say me , please.
Thank you.Is it a native or managed c++ code? :confused: